KR20170115528A - Hdr 화상을 sdr 화상으로 맵핑하기 위한 방법 및 디바이스 그리고 대응하는 sdr 대 hdr 맵핑 방법 및 디바이스 - Google Patents

Hdr 화상을 sdr 화상으로 맵핑하기 위한 방법 및 디바이스 그리고 대응하는 sdr 대 hdr 맵핑 방법 및 디바이스

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Publication number
KR20170115528A
KR20170115528A KR1020177021402A KR20177021402A KR20170115528A KR 20170115528 A KR20170115528 A KR 20170115528A KR 1020177021402 A KR1020177021402 A KR 1020177021402A KR 20177021402 A KR20177021402 A KR 20177021402A KR 20170115528 A KR20170115528 A KR 20170115528A
Authority
KR
South Korea
Prior art keywords
hdr
luminance image
sdr
mapping
function
Prior art date
Application number
KR1020177021402A
Other languages
English (en)
Korean (ko)
Inventor
세바스띠앙 라세르
파브리스 레르앙네
파트리끄 로페즈
Original Assignee
톰슨 라이센싱
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP15305113.1A external-priority patent/EP3051487A1/en
Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20170115528A publication Critical patent/KR20170115528A/ko

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G06T5/009—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Devices (AREA)
  • Controls And Circuits For Display Device (AREA)
KR1020177021402A 2015-01-30 2016-01-18 Hdr 화상을 sdr 화상으로 맵핑하기 위한 방법 및 디바이스 그리고 대응하는 sdr 대 hdr 맵핑 방법 및 디바이스 KR20170115528A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP15305113.1 2015-01-30
EP15305113.1A EP3051487A1 (en) 2015-01-30 2015-01-30 Method and device for mapping a HDR picture to a SDR picture and corresponding SDR to HDR mapping method and device
EP15306397 2015-09-11
EP15306397.9 2015-09-11
PCT/EP2016/050880 WO2016120108A1 (en) 2015-01-30 2016-01-18 Method and device for mapping a hdr picture to a sdr picture and corresponding sdr to hdr mapping method and device

Publications (1)

Publication Number Publication Date
KR20170115528A true KR20170115528A (ko) 2017-10-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177021402A KR20170115528A (ko) 2015-01-30 2016-01-18 Hdr 화상을 sdr 화상으로 맵핑하기 위한 방법 및 디바이스 그리고 대응하는 sdr 대 hdr 맵핑 방법 및 디바이스

Country Status (7)

Country Link
US (1) US20180005357A1 (pt)
EP (1) EP3251083A1 (pt)
JP (1) JP2018506916A (pt)
KR (1) KR20170115528A (pt)
CN (1) CN107209928A (pt)
BR (1) BR112017015937A2 (pt)
WO (1) WO2016120108A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10218952B2 (en) 2016-11-28 2019-02-26 Microsoft Technology Licensing, Llc Architecture for rendering high dynamic range video on enhanced dynamic range display devices
US10176561B2 (en) 2017-01-27 2019-01-08 Microsoft Technology Licensing, Llc Content-adaptive adjustments to tone mapping operations for high dynamic range content
US10104334B2 (en) 2017-01-27 2018-10-16 Microsoft Technology Licensing, Llc Content-adaptive adjustment of display device brightness levels when rendering high dynamic range content
EP3367658A1 (en) * 2017-02-24 2018-08-29 Thomson Licensing Method and device for reconstructing an hdr image
CN107277399B (zh) * 2017-06-09 2020-10-20 深圳Tcl新技术有限公司 电视终端及hdr图像转为sdr的方法和计算机可读存储介质
EP3639238B1 (en) * 2017-06-16 2022-06-15 Dolby Laboratories Licensing Corporation Efficient end-to-end single layer inverse display management coding
EP3477946A1 (en) 2017-10-31 2019-05-01 Thomson Licensing Method and device for obtaining a second image from a first image when the dynamic range of the luminance of said first image is greater than the dynamic range of the luminance of said second image
US10546554B2 (en) * 2018-03-26 2020-01-28 Dell Products, Lp System and method for adaptive tone mapping for high dynamic ratio digital images
US10917583B2 (en) 2018-04-27 2021-02-09 Apple Inc. Standard and high dynamic range display systems and methods for high dynamic range displays
US11030960B2 (en) * 2018-05-29 2021-06-08 Synaptics Incorporated Host content adaptive backlight control (CABC) and local dimming
US10957024B2 (en) 2018-10-30 2021-03-23 Microsoft Technology Licensing, Llc Real time tone mapping of high dynamic range image data at time of playback on a lower dynamic range display
EP3734588B1 (en) * 2019-04-30 2022-12-07 Dolby Laboratories Licensing Corp. Color appearance preservation in video codecs
CN110223244B (zh) * 2019-05-13 2021-08-27 浙江大华技术股份有限公司 一种图像处理的方法、装置、电子设备和存储介质
EP3839876A1 (en) * 2019-12-20 2021-06-23 Fondation B-COM Method for converting an image and corresponding device
US11587213B1 (en) 2021-11-05 2023-02-21 GM Cruise Holdings LLC. Preserving dynamic range in images
CN115903309A (zh) * 2022-12-21 2023-04-04 武汉华星光电技术有限公司 背光模组和显示面板

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8107756B2 (en) * 2007-10-11 2012-01-31 Himax Technologies Limited Digital image tone remapping method and apparatus
KR101539379B1 (ko) * 2008-12-31 2015-07-29 주식회사 동부하이텍 실시간 영상 발생기
WO2011042229A1 (en) * 2009-10-08 2011-04-14 International Business Machines Corporation Method and system for transforming a digital image from a low dynamic range (ldr) image to a high dynamic range (hdr) image
US20130107956A1 (en) * 2010-07-06 2013-05-02 Koninklijke Philips Electronics N.V. Generation of high dynamic range images from low dynamic range images
MX352598B (es) * 2012-09-12 2017-11-30 Koninklijke Philips Nv Proceso para la formación de imágenes de alto rango dinámico acordado por el propietario de contenido.

Also Published As

Publication number Publication date
CN107209928A (zh) 2017-09-26
US20180005357A1 (en) 2018-01-04
EP3251083A1 (en) 2017-12-06
BR112017015937A2 (pt) 2018-03-27
WO2016120108A1 (en) 2016-08-04
JP2018506916A (ja) 2018-03-08

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